Parasitology Theory Paper

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Q1. The adult stages of Taenia solium and Taenia saginata are acquired by ingestion of
(a) Eggs of the parasites
(b) Proglottids of the parasites
(c) Oocysts of the parasites
(d) Larval cysticercus

Q2. Penetration of the skin by larvae is the means of infection in:
(a) Echinococcosis
(b) Giardiasis
(c) Schistosomiasis
(d) Ascariasis

Q3. Schistosoma mansoni differs from Schistosoma haematobium in:
(a) Geographical morphology
(b) Location of the adults and egg morphology
(c) Mode of transmission to the definitive host
(d) Mode of infection

Q4. The following forms of parasite stages are found in Plasmodium falciparum life cycle EXCEPT:
(a) Merozoites
(b) Trophozoites
(c) Cercariae
(d) ookinetes

Q5. The location of the following adults (A. lumbricoides. Strongyloides stercolaris, hookworms) parasites in man is:
(a) Large bowel
(b) Rectum
(c) Duodenum and appendix
(d) Small intestines

Q6.Trichomonas vaginalis and Giardia lamblia differ in the following except
(a) infective forms
(b) mode of infection
(c) mode of locomotion
(d) clinical symptoms

Q7. Encysted metacercariae are infective forms of the following except:
(a) Schistosome
(b) Heteropyes heteropheys
(c) Fasciola hepatica
(d) Clonorcissinensis

Q8. Fasciola hepatica and Fasciola gigantica are trematodes that survive in which organs of man
(a) Lungs and liver
(b) Lungs
(c) Liver
(d) Intestines and liver

Q9. The infective form of the lymphatic filariasis is
(a) L3 larva
(b) Microfilaria
(c) Egg
(d) L1 larva

Q10. The microfilaria of Wuchereria bancrofti are found
(a) In the peripheral circulation of man between 10am and 2pm
(b) In the peripheral circulation during the day
(c) In the subcutaneous tissue
(d) In the peripheral circulation between 10pm and 2AM

Q11. Which of the following parasite is transmitted by a dog
a) Taenia confusa
b) Toxoplasma godii
c) Balantidium coli
d) Echinococcusgranulosus
Q12. The infective form of Giardia lamblia is the
a) Trophozoite
b) Cyst
c) Sporocyst
d) Sporozoite
Q13. Leishmania donovani causes
a) Espundia
b) Kala-azar
c) Elephantiasis
d) Oriental sore
Q14. Lavae of the following parasite can be demonstrated in muscle biopsy
a) Trichinella Spiralis
b) Wuchereria bancrofti
c) Brugia Malayi
d) Trichuris trichuria
Q15. Undercooked pork may act as asource of
a) Diphyllobothrium latum
b) Taenia solium.
c) Taenia saginata
d) Ancylostoma duodenale

Q16. Gynaecopheric canal is characteristic feature of
a) Ascaris lumbricoides
b) Ancylostoma duodenale
c) Schistosoma mansoni
d) Onchocerca Volvulus
Q17. Which of the following arthropods is associated with Leishmaniasis
a) Reduvid bug
b) Tsetse flies
c) Sandfly
d) Mosquito

Q18. Adult worm of the following cestodes are found in the intestines of man except
a) Taenia Saginata
b) Diphyllobothrium latum
c) Hymenolepis nana
d) Echinococcus granulosa

Q19. Which of the following helminthes is associated with anaemia
a) Hookworms
b) Whip worms
c) Tapeworms
d) Flukes
Q20. Leishmania tropica is responsible for.
a) Blurred vision
b) Onchocerciasis
c) Cutaneous leishmaniasis
d) Acute abdominal pains


(Q1) Describe the control measures of parasites of medical importance (10 marks)

(Q2) Outline the formalin-ether stool examination technique (10 marks

(Q3) Describe ten laboratory safety measures based on the following:
(a) Housekeeping (4mks)
(b) Clothing (4mks)
(c) Hygiene practices (2mks)